[1] Univ Campinas UNICAMP, Sch Med Sci, Dept Internal Med, Pulmonol Serv, Campinas, Brazil
[2] Univ Ibirapuera, Dept Physicaltherapy, UNIB, Sao Paulo, Brazil
[3] Univ Campinas UNICAMP, Pulmonol Serv, Clin Hosp, Campinas, Brazil
[4] Univ Campinas UNICAMP, Sch Med Sci, Dept Internal Med, Cardiol Serv, Campinas, Brazil